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Edit 2 …

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If a circular satellite is moved to a higher altitude, how must its speed be adjusted in order to maintain a circular orbit?
  • A: The satellite will need a greater speed to orbit the Earth in the higher circle.
  • B: The satellite will need a lesser speed to orbit the Earth in the higher circle.
  • C: The satellite will orbit the Earth in the higher circle at the same speed as before.
  • D: Wait! There is no necessary connection between the altitude of the circle and the speed of the satellite!

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